feat(chat): ChatTimeline 双栏化(左会话列表)+ 路由可选参 + badge 账号级入口

Co-Authored-By: Claude <noreply@anthropic.com>

yunkes/src/views/StaffList.vue

@@ -2,7 +2,7 @@
 import { computed, onMounted, reactive, ref } from 'vue'
 import { useRouter } from 'vue-router'
 import { ElMessage } from 'element-plus'
-import { getAccounts, getCustomers, getMessages, getStaffChatStats } from '@/api'
+import { getAccounts, getCustomers, getStaffChatStats } from '@/api'
 import type { Account, Channel, Page, StaffChatCustomer, StaffChatStats } from '@/api/types'
 import YkStaffDetailModal from '@/components/YkStaffDetailModal.vue'
 import { useChannelStore } from '@/stores/channel'
@@ -250,28 +250,8 @@ function viewGroups(row: Account): void {
 }
 
 async function viewChat(row: Account) {
-  // 取该账号最近一条会话，跳 ChatTimeline（降级：云客是会话列表，我们跳最近一条）
-  const res = await getMessages({
-    channel: row.channel,
-    owner_account_id: row.account_id,
-    page: 1,
-    page_size: 1,
-  })
-  const m = res.items[0]
-  if (!m) {
-    ElMessage.info('该账号暂无聊天记录')
-    return
-  }
-  const target = m.room_id ?? m.talker_id
-  if (!target) {
-    ElMessage.info('最近一条消息无会话标识')
-    return
-  }
-  await router.push(
-    m.room_id
-      ? `/group/${row.channel}/${row.account_id}/${m.room_id}`
-      : `/chat/${row.channel}/${row.account_id}/${m.talker_id}`,
-  )
+  // 账号级聊天窗口(左侧会话列表 + 右消息流);对齐云客 badge→聊天窗口。
+  await router.push({ name: 'chat', params: { channel: row.channel, ownerId: row.account_id } })
 }
 
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